IBA Criteria

Year of most recent IBA criteria assessment: 2001

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Sao Tome Bronze-naped Pigeon Columba malherbii NT resident 2000 present A2
Black Noddy Anous minutus LC breeding 2000 13,500 breeding pairs A4i
Annobon White-eye Zosterops griseovirescens VU resident 2000 present A1, A2

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Isla de Annobón Ramsar Site, Wetland of International Importance 23,000 protected area contained by site 23,000
Annobón Natural Reserve 23,000 protected area contains site 23,000

Land use

Land-use Extent (% of site)
fisheries/aquaculture -
hunting -
nature conservation and research -
tourism/recreation -
other -
not utilised -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Annobón. Downloaded from on 30/05/2020.